package com.bennu.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.bennu.common.R;
import com.bennu.domain.Category;
import com.bennu.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {
    @Autowired
    private CategoryService categoryService;
    //新增分类
    @PostMapping
    public R<String> save(@RequestBody Category category){
        log.info( "category"+category );
        categoryService.save( category );
        return R.success( "新增分类成功" );
    }
    //查询分类
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        //构造分页构造器
        Page<Category> pageInfo=new Page(page,pageSize);
        //构造条件
        LambdaQueryWrapper<Category> lqw=new LambdaQueryWrapper<>();
        //添加排序规则
        lqw.orderByDesc( Category::getSort );
        //执行查询条件
        categoryService.page( pageInfo,lqw );
        return R.success( pageInfo );
    }
    //删除分类
    @DeleteMapping
    public R<String> delete(Long id){
        log.info( "删除分类，id为{}",id );
        //categoryService.removeById( id );
        categoryService.remove( id );
        return R.success( "分类信息删除成功" );
    }
    //修改分类
    @PutMapping
    public R<String> update(@RequestBody Category category ){
        log.info( "修改操作"+category );
        categoryService.updateById( category );
        return R.success( "修改成功" );
    }
    //新增餐品下拉列表,用户餐单展示
    @GetMapping("/list")
    public R<List<Category>> list( Category category){
        //条件构造器
        LambdaQueryWrapper<Category> lambdaQueryWrapper=new LambdaQueryWrapper<>();
        //添加条件
        lambdaQueryWrapper.eq( category.getType()!=null,Category::getType,category.getType());
        //添加排序条件
        lambdaQueryWrapper.orderByAsc( Category::getSort ).orderByDesc( Category::getUpdateTime );
        List<Category> list = categoryService.list( lambdaQueryWrapper );
        return R.success( list );
    }
}
